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| author | arun.sharma@intel.com[kaf24] <arun.sharma@intel.com[kaf24]> | 2005-04-20 10:24:53 +0000 |
|---|---|---|
| committer | arun.sharma@intel.com[kaf24] <arun.sharma@intel.com[kaf24]> | 2005-04-20 10:24:53 +0000 |
| commit | 2b85c3297ed93802ba35ee814cf3a0313e7bec2a (patch) | |
| tree | 8b209aae012b66c938c2b902d683eb0fda2783a7 /xen/include/asm-x86/msr.h | |
| parent | 0a5d2f011337dc3b5603d07555549336289270f8 (diff) | |
| download | xen-2b85c3297ed93802ba35ee814cf3a0313e7bec2a.tar.gz xen-2b85c3297ed93802ba35ee814cf3a0313e7bec2a.tar.bz2 xen-2b85c3297ed93802ba35ee814cf3a0313e7bec2a.zip | |
bitkeeper revision 1.1335 (42662df5Ky_wqkYVs3ghiLYYBXII2Q)
[PATCH] x86-64-rdmsrl.patch
Use the rdmsrl implementation from Linux.
Signed-off-by: Arun Sharma <arun.sharma@intel.com>
Diffstat (limited to 'xen/include/asm-x86/msr.h')
| -rw-r--r-- | xen/include/asm-x86/msr.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/xen/include/asm-x86/msr.h b/xen/include/asm-x86/msr.h index 00d7e69e71..5eeda436a7 100644 --- a/xen/include/asm-x86/msr.h +++ b/xen/include/asm-x86/msr.h @@ -6,6 +6,13 @@ : "=a" (val1), "=d" (val2) \ : "c" (msr)) +#define rdmsrl(msr,val) do { unsigned long a__,b__; \ + __asm__ __volatile__("rdmsr" \ + : "=a" (a__), "=d" (b__) \ + : "c" (msr)); \ + val = a__ | (b__<<32); \ +} while(0); + #define wrmsr(msr,val1,val2) \ __asm__ __volatile__("wrmsr" \ : /* no outputs */ \ |